Is Wretched Gryff legal in Standard, Modern, and Commander?

Wretched Gryff is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Wretched Gryff

Q: What type of card is Wretched Gryff?

Wretched Gryff is a Creature — Eldrazi Hippogriff. Its oracle text reads: "Emerge {5}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, draw a card. Flying"